package cn.gengar.types.design.framework.tree;

import lombok.Getter;
import lombok.Setter;

import java.util.Objects;

public abstract class AbstractMultiThreadStrategyRouter <T, D, R> implements StrategyHandler<T, D, R>, StrategyMapper<T, D, R> {

    @Getter
    @Setter
    protected StrategyHandler<T, D, R> defaultStrategyHandler = StrategyHandler.DEFAULT;

    public R router(T requestParameter, D dynamicContext) throws Exception {
        StrategyHandler<T, D, R> strategyHandler = get(requestParameter, dynamicContext);
        if (Objects.nonNull(strategyHandler)) {
            return strategyHandler.apply(requestParameter, dynamicContext);
        }

        return defaultStrategyHandler.apply(requestParameter, dynamicContext);
    }

    @Override
    public R apply(T requestParameter, D dynamicContext) throws Exception {
        mutiThread(requestParameter, dynamicContext);
        return doApply(requestParameter, dynamicContext);
    }

    protected abstract void mutiThread(T requestParameter, D dynamicContext) throws Exception;

    protected abstract R doApply(T requestParameter, D dynamicContext) throws Exception;

}
